Roll it is definitely an out-of-the-box flexible housing solution (Image: University of Karlsruhe)

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Article Summary

Students from the University of Karlsruhe in Germany have created a flexible housing solution that makes the most of its minimal interior space in a very unusual way. Dubbed "Roll it", this cylinder-shaped home changes its purpose depending on its orientation - roll the the work space 180 degrees and it becomes a bed, the kitchen becomes a bathroom and you even get some exercise in the mouse wheel-like center section when you decide to "move house".